Updating the N_Value pages (drilldown columns)
In general,the drilldown web page is a standalone mini application to show detail from the database. Often the custom code passes in the database name and server to use, but the login security is handled by the page itself and can be setup to integrated security or the login is hard coded in the source of the page on the server.
The page used and information passed in will show in the URL when used. By default the file is EI_NValue.aspx in the Vision\Web directory on the web server.